”FloppyDiskette()”FloppyDiskette( (FM)(MFM)FrequencyModulation “1”hastobewritten,afluxtransitionisrecordedinthemiddleofabitcellModifiedFrequencyModulation InMFM,noclock(pulse),afluxtransitionisrecordedinthemiddleofabit,ifthedatabittoberecordedis“1”.Ifadatabit“0”hastobewrittennexttoadatabit“1”,. Fromthefigureitisclearthatwewillbeabletostoredoublethedatainthesamearea,. InMFMthereisonlyonefluxreversalperbitcellregardlessofthedatabeing“1”or“0”.,***禾款窃狙CHAPTER7Storage2CHAPTER7Storage2ClustersClusters ,datastorageisdoneingroupofsectors,,itsformat,andDOSversion,: Afloppydiskdrivenormallyhastwo-read/writeheadsmakingModernfloppydiskdrivesasdouble-. Head0andHead1: Manypeopledonotrealizethatthefirs
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